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authorMasahiro Yamada <yamada.masahiro@socionext.com>2017-04-14 10:55:00 +0900
committerTom Rini <trini@konsulko.com>2017-04-18 10:29:14 -0400
commit90d6500c0f90dd6e9aa770a5d8faf88bb34440ea (patch)
treef407985ab392e84d073e7558c03b45cf3ffc6bbc /drivers/mmc
parent4326b454744b47777f6575d62e84622d941da5ea (diff)
drivers: remove Blackfin specific drivers
These drivers have no user since commit ea3310e8aafa ("Blackfin: Remove"). Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Reviewed-by: Simon Glass <sjg@chromium.org> Acked-by: Michal Simek <michal.simek@xilinx.com> Acked-by: Jaehoon Chung <jh80.chung@samsung.com>
Diffstat (limited to 'drivers/mmc')
-rw-r--r--drivers/mmc/Makefile1
-rw-r--r--drivers/mmc/bfin_sdh.c306
2 files changed, 0 insertions, 307 deletions
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index a61a9e9ca6..de91f1423b 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -14,7 +14,6 @@ obj-$(CONFIG_GENERIC_MMC) += mmc_legacy.o
endif
obj-$(CONFIG_ARM_PL180_MMCI) += arm_pl180_mmci.o
-obj-$(CONFIG_BFIN_SDH) += bfin_sdh.o
obj-$(CONFIG_MMC_DAVINCI) += davinci_mmc.o
obj-$(CONFIG_MMC_DW) += dw_mmc.o
diff --git a/drivers/mmc/bfin_sdh.c b/drivers/mmc/bfin_sdh.c
deleted file mode 100644
index 1627dca3a1..0000000000
--- a/drivers/mmc/bfin_sdh.c
+++ /dev/null
@@ -1,306 +0,0 @@
-/*
- * Driver for Blackfin on-chip SDH controller
- *
- * Copyright (c) 2008-2009 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <part.h>
-#include <mmc.h>
-
-#include <asm/io.h>
-#include <linux/errno.h>
-#include <asm/byteorder.h>
-#include <asm/blackfin.h>
-#include <asm/clock.h>
-#include <asm/portmux.h>
-#include <asm/mach-common/bits/sdh.h>
-#include <asm/mach-common/bits/dma.h>
-
-#if defined(__ADSPBF50x__) || defined(__ADSPBF51x__) || defined(__ADSPBF60x__)
-# define bfin_read_SDH_CLK_CTL bfin_read_RSI_CLK_CONTROL
-# define bfin_write_SDH_CLK_CTL bfin_write_RSI_CLK_CONTROL
-# define bfin_write_SDH_ARGUMENT bfin_write_RSI_ARGUMENT
-# define bfin_write_SDH_COMMAND bfin_write_RSI_COMMAND
-# define bfin_read_SDH_RESPONSE0 bfin_read_RSI_RESPONSE0
-# define bfin_read_SDH_RESPONSE1 bfin_read_RSI_RESPONSE1
-# define bfin_read_SDH_RESPONSE2 bfin_read_RSI_RESPONSE2
-# define bfin_read_SDH_RESPONSE3 bfin_read_RSI_RESPONSE3
-# define bfin_write_SDH_DATA_TIMER bfin_write_RSI_DATA_TIMER
-# define bfin_write_SDH_DATA_LGTH bfin_write_RSI_DATA_LGTH
-# define bfin_read_SDH_DATA_CTL bfin_read_RSI_DATA_CONTROL
-# define bfin_write_SDH_DATA_CTL bfin_write_RSI_DATA_CONTROL
-# define bfin_read_SDH_STATUS bfin_read_RSI_STATUS
-# define bfin_write_SDH_STATUS_CLR bfin_write_RSI_STATUSCL
-# define bfin_read_SDH_CFG bfin_read_RSI_CONFIG
-# define bfin_write_SDH_CFG bfin_write_RSI_CONFIG
-# if defined(__ADSPBF60x__)
-# define bfin_read_SDH_BLK_SIZE bfin_read_RSI_BLKSZ
-# define bfin_write_SDH_BLK_SIZE bfin_write_RSI_BLKSZ
-# define bfin_write_DMA_START_ADDR bfin_write_DMA10_START_ADDR
-# define bfin_write_DMA_X_COUNT bfin_write_DMA10_X_COUNT
-# define bfin_write_DMA_X_MODIFY bfin_write_DMA10_X_MODIFY
-# define bfin_write_DMA_CONFIG bfin_write_DMA10_CONFIG
-# else
-# define bfin_read_SDH_PWR_CTL bfin_read_RSI_PWR_CONTROL
-# define bfin_write_SDH_PWR_CTL bfin_write_RSI_PWR_CONTROL
-# define bfin_write_DMA_START_ADDR bfin_write_DMA4_START_ADDR
-# define bfin_write_DMA_X_COUNT bfin_write_DMA4_X_COUNT
-# define bfin_write_DMA_X_MODIFY bfin_write_DMA4_X_MODIFY
-# define bfin_write_DMA_CONFIG bfin_write_DMA4_CONFIG
-# endif
-# define PORTMUX_PINS \
- { P_RSI_DATA0, P_RSI_DATA1, P_RSI_DATA2, P_RSI_DATA3, P_RSI_CMD, P_RSI_CLK, 0 }
-#elif defined(__ADSPBF54x__)
-# define bfin_write_DMA_START_ADDR bfin_write_DMA22_START_ADDR
-# define bfin_write_DMA_X_COUNT bfin_write_DMA22_X_COUNT
-# define bfin_write_DMA_X_MODIFY bfin_write_DMA22_X_MODIFY
-# define bfin_write_DMA_CONFIG bfin_write_DMA22_CONFIG
-# define PORTMUX_PINS \
- { P_SD_D0, P_SD_D1, P_SD_D2, P_SD_D3, P_SD_CLK, P_SD_CMD, 0 }
-#else
-# error no support for this proc yet
-#endif
-
-static int
-sdh_send_cmd(struct mmc *mmc, struct mmc_cmd *mmc_cmd)
-{
- unsigned int status, timeout;
- int cmd = mmc_cmd->cmdidx;
- int flags = mmc_cmd->resp_type;
- int arg = mmc_cmd->cmdarg;
- int ret;
- u16 sdh_cmd;
-
- sdh_cmd = cmd | CMD_E;
- if (flags & MMC_RSP_PRESENT)
- sdh_cmd |= CMD_RSP;
- if (flags & MMC_RSP_136)
- sdh_cmd |= CMD_L_RSP;
-#ifdef RSI_BLKSZ
- sdh_cmd |= CMD_DATA0_BUSY;
-#endif
-
- bfin_write_SDH_ARGUMENT(arg);
- bfin_write_SDH_COMMAND(sdh_cmd);
-
- /* wait for a while */
- timeout = 0;
- do {
- if (++timeout > 1000000) {
- status = CMD_TIME_OUT;
- break;
- }
- udelay(1);
- status = bfin_read_SDH_STATUS();
- } while (!(status & (CMD_SENT | CMD_RESP_END | CMD_TIME_OUT |
- CMD_CRC_FAIL)));
-
- if (flags & MMC_RSP_PRESENT) {
- mmc_cmd->response[0] = bfin_read_SDH_RESPONSE0();
- if (flags & MMC_RSP_136) {
- mmc_cmd->response[1] = bfin_read_SDH_RESPONSE1();
- mmc_cmd->response[2] = bfin_read_SDH_RESPONSE2();
- mmc_cmd->response[3] = bfin_read_SDH_RESPONSE3();
- }
- }
-
- if (status & CMD_TIME_OUT)
- ret = -ETIMEDOUT;
- else if (status & CMD_CRC_FAIL && flags & MMC_RSP_CRC)
- ret = -ECOMM;
- else
- ret = 0;
-
- bfin_write_SDH_STATUS_CLR(CMD_SENT_STAT | CMD_RESP_END_STAT |
- CMD_TIMEOUT_STAT | CMD_CRC_FAIL_STAT);
-#ifdef RSI_BLKSZ
- /* wait till card ready */
- while (!(bfin_read_RSI_ESTAT() & SD_CARD_READY))
- continue;
- bfin_write_RSI_ESTAT(SD_CARD_READY);
-#endif
-
- return ret;
-}
-
-/* set data for single block transfer */
-static int sdh_setup_data(struct mmc *mmc, struct mmc_data *data)
-{
- u16 data_ctl = 0;
- u16 dma_cfg = 0;
- unsigned long data_size = data->blocksize * data->blocks;
-
- /* Don't support write yet. */
- if (data->flags & MMC_DATA_WRITE)
- return -EOPNOTSUPP;
-#ifndef RSI_BLKSZ
- data_ctl |= ((ffs(data->blocksize) - 1) << 4);
-#else
- bfin_write_SDH_BLK_SIZE(data->blocksize);
-#endif
- data_ctl |= DTX_DIR;
- bfin_write_SDH_DATA_CTL(data_ctl);
- dma_cfg = WDSIZE_32 | PSIZE_32 | RESTART | WNR | DMAEN;
-
- bfin_write_SDH_DATA_TIMER(-1);
-
- blackfin_dcache_flush_invalidate_range(data->dest,
- data->dest + data_size);
- /* configure DMA */
- bfin_write_DMA_START_ADDR(data->dest);
- bfin_write_DMA_X_COUNT(data_size / 4);
- bfin_write_DMA_X_MODIFY(4);
- bfin_write_DMA_CONFIG(dma_cfg);
- bfin_write_SDH_DATA_LGTH(data_size);
- /* kick off transfer */
- bfin_write_SDH_DATA_CTL(bfin_read_SDH_DATA_CTL() | DTX_DMA_E | DTX_E);
-
- return 0;
-}
-
-
-static int bfin_sdh_request(struct mmc *mmc, struct mmc_cmd *cmd,
- struct mmc_data *data)
-{
- u32 status;
- int ret = 0;
-
- if (data) {
- ret = sdh_setup_data(mmc, data);
- if (ret)
- return ret;
- }
-
- ret = sdh_send_cmd(mmc, cmd);
- if (ret) {
- bfin_write_SDH_COMMAND(0);
- bfin_write_DMA_CONFIG(0);
- bfin_write_SDH_DATA_CTL(0);
- SSYNC();
- printf("sending CMD%d failed\n", cmd->cmdidx);
- return ret;
- }
-
- if (data) {
- do {
- udelay(1);
- status = bfin_read_SDH_STATUS();
- } while (!(status & (DAT_END | DAT_TIME_OUT | DAT_CRC_FAIL |
- RX_OVERRUN)));
-
- if (status & DAT_TIME_OUT) {
- bfin_write_SDH_STATUS_CLR(DAT_TIMEOUT_STAT);
- ret = -ETIMEDOUT;
- } else if (status & (DAT_CRC_FAIL | RX_OVERRUN)) {
- bfin_write_SDH_STATUS_CLR(DAT_CRC_FAIL_STAT | RX_OVERRUN_STAT);
- ret = -ECOMM;
- } else
- bfin_write_SDH_STATUS_CLR(DAT_BLK_END_STAT | DAT_END_STAT);
-
- if (ret) {
- printf("tranfering data failed\n");
- return ret;
- }
- }
- return 0;
-}
-
-static void sdh_set_clk(unsigned long clk)
-{
- unsigned long sys_clk;
- unsigned long clk_div;
- u16 clk_ctl = 0;
-
- clk_ctl = bfin_read_SDH_CLK_CTL();
- if (clk) {
- /* setting SD_CLK */
- sys_clk = get_sclk();
- bfin_write_SDH_CLK_CTL(clk_ctl & ~CLK_E);
- if (sys_clk % (2 * clk) == 0)
- clk_div = sys_clk / (2 * clk) - 1;
- else
- clk_div = sys_clk / (2 * clk);
-
- if (clk_div > 0xff)
- clk_div = 0xff;
- clk_ctl |= (clk_div & 0xff);
- clk_ctl |= CLK_E;
- bfin_write_SDH_CLK_CTL(clk_ctl);
- } else
- bfin_write_SDH_CLK_CTL(clk_ctl & ~CLK_E);
-}
-
-static int bfin_sdh_set_ios(struct mmc *mmc)
-{
- u16 cfg = 0;
- u16 clk_ctl = 0;
-
- if (mmc->bus_width == 4) {
- cfg = bfin_read_SDH_CFG();
-#ifndef RSI_BLKSZ
- cfg &= ~PD_SDDAT3;
-#endif
- cfg |= PUP_SDDAT3;
- bfin_write_SDH_CFG(cfg);
- clk_ctl |= WIDE_BUS_4;
- }
- bfin_write_SDH_CLK_CTL(clk_ctl);
- sdh_set_clk(mmc->clock);
-
- return 0;
-}
-
-static int bfin_sdh_init(struct mmc *mmc)
-{
- const unsigned short pins[] = PORTMUX_PINS;
- int ret;
-
- /* Initialize sdh controller */
- ret = peripheral_request_list(pins, "bfin_sdh");
- if (ret < 0)
- return ret;
-#if defined(__ADSPBF54x__)
- bfin_write_DMAC1_PERIMUX(bfin_read_DMAC1_PERIMUX() | 0x1);
-#endif
- bfin_write_SDH_CFG(bfin_read_SDH_CFG() | CLKS_EN);
- /* Disable card detect pin */
- bfin_write_SDH_CFG((bfin_read_SDH_CFG() & 0x1F) | 0x60);
-#ifndef RSI_BLKSZ
- bfin_write_SDH_PWR_CTL(PWR_ON | ROD_CTL);
-#else
- bfin_write_SDH_CFG(bfin_read_SDH_CFG() | PWR_ON);
-#endif
- return 0;
-}
-
-static const struct mmc_ops bfin_mmc_ops = {
- .send_cmd = bfin_sdh_request,
- .set_ios = bfin_sdh_set_ios,
- .init = bfin_sdh_init,
-};
-
-static struct mmc_config bfin_mmc_cfg = {
- .name = "Blackfin SDH",
- .ops = &bfin_mmc_ops,
- .host_caps = MMC_MODE_4BIT,
- .voltages = MMC_VDD_32_33 | MMC_VDD_33_34,
- .b_max = CONFIG_SYS_MMC_MAX_BLK_COUNT,
-};
-
-int bfin_mmc_init(bd_t *bis)
-{
- struct mmc *mmc;
-
- bfin_mmc_cfg.f_max = get_sclk();
- bfin_mmc_cfg.f_min = bfin_mmc_cfg.f_max >> 9;
-
- mmc = mmc_create(&bfin_mmc_cfg, NULL);
- if (mmc == NULL)
- return -1;
-
- return 0;
-}